Stage-Audit: Auditable Source-Frontier Discovery for Cross-Wiki Tables
Chen Shen

TL;DR
Stage-Audit introduces a novel framework with disjoint roles and a comprehensive audit taxonomy to improve the accuracy and traceability of source citations in LLM-curated cross-Wiki tables.
Contribution
It presents a new audit mechanism that significantly enhances source-frontier precision and F1 scores in structured table discovery tasks.
Findings
Source-frontier precision improved from 0.356 to 0.505 (+42%)
F1 score increased from 0.334 to 0.451 (+35%)
Maintains explicit per-row source traceability
Abstract
LLM-curated tables can appear source-grounded while containing unsupported rows: the curator may recall entries from parametric memory and retroactively attach page-level citations that are not the actual source. We study this hazard in Seed2Frontier discovery: the task of finding complement Wikipedia pages from a seed page to assemble a structured table. Stage-Audit addresses it with disjoint curator-auditor write rights, a row-level source-citation gate, and a 12-check audit taxonomy over keys, schema, source roles, cardinality, and scope. On a curated 51-instance Seed2Frontier evaluation set spanning 15 top-level domains, Stage-Audit improves source-frontier precision over a vanilla LLM curator from 0.356 to 0.505 (+42% relative) and F1 from 0.334 to 0.451 (+35%), while maintaining explicit per-row source traceability. The vanilla-LLM-vs-Stage-Audit comparison isolates the policy…
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